HP XP7 User Manual page 127

4. In the Available Pool Volumes table, select the pool-VOL row to be associated with a
pool. Then click Add.
The selected pool-VOL is registered in the Selected Pool Volumes table. Up to 1,024
volumes can be added to a pool.
You can add volumes with the same Drive Type/RPM and different RAID Levels. For
example, you can add a volume that has an SAS/15K Drive Type/RPM and a 5(3D+1P)
RAID Level to the same pool with a volume that has an SAS/15K Drive Type/RPM and
a 5(7D+1P) RAID Level.
NOTE: You can select a value other than Middle from External LDEV Tier Rank and click
Add to set another tier rank for an external volume.
TIP: Perform the following steps if necessary:
Click Filter to open the menu, specify the filtering, then Apply.
Click Select All Pages to select all pool-VOLs in the table. To cancel the selection,
click Select All Pages again.
Click Options to specify the volumes or the number of rows to be displayed.
5. Click OK.
The information in the Selected Pool Volumes table is applied to Total Selected Pool
Volumes and Total Selected Capacity.
8. In the Pool Name text box, enter the prefix and initial number of the pool. The pool name may
consist of up to 32 characters.
Prefix: Case-sensitive, alphanumeric characters that begin the pool name.
Initial Number: From 1 to 9 digits that follow the prefix.
9. Click Options.
10. In the Initial Pool ID text box, type the number of the initial pool ID, from 0 to 127.
When you specify a pool ID that was previously registered, the smallest available ID is
displayed by default instead of the value you entered. If a pool ID unavailable, no number is
displayed.
1 1. In the Subscription Limit text box, enter an integer value from 0 to 65534 as the subscription
rate (%) for the pool.
If no number is entered, the subscription rate is set to unlimited.
12. In the Warning Threshold text box, enter an integer value from 1 to 100 as the rate (%) for
the pool. The default value is 70%.
13. In the Depletion Threshold text box, enter an integer value from 1 to 100 as the rate (%) for
the pool. The default value is 80%.
Enter a value that is greater than the value of the Warning Threshold.
14. In Protect V-VOLs when I/O fails to Blocked Pool VOL, select Yes or No. If Yes is selected,
when the pool-VOL is blocked, THP V-VOL is protected from reading and writing requests.
And at the same instant, the access attribute of the THP V-VOL is changed to the Protect
attribute.
15. In Protect V-VOLs when I/O fails to Full Pool, select Yes or No. If Yes is selected, when the
pool usage reaches the full size, THP V-VOL is protected from reading and writing requests.
And at the same instant, the access attribute of the THP V-VOL is changed to the Protect
attribute.
16. Configure Smart Tiers with the following steps.
From the Tier Management option, select Auto or Manual.
Working with pools 127